LA0315 over PROVOST BAYOU

Map

Coordinates:
+29.46290, -90.75110
29°27'46" N, 90°45'04" W

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	LA0315 over PROVOST BAYOU
Structure number:	025502459001261
Location:	8.6 MI SOUTH OF LA 661
Purpose:	Carries highway over waterway
Route classification:	Minor Collector (Rural) `[08]`
Length of largest span:	136.2 ft. `[41.5 m]`
Total length:	175.9 ft. `[53.6 m]`
Roadway width between curbs:	24.0 ft. `[7.3 m]`
Deck width edge-to-edge:	28.9 ft. `[8.8 m]`
Owner:	State Highway Agency `[01]`
Year built:	1953
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	M 13.5 / H 15 `[2]`
Number of main spans:	3
Main spans material:	Steel `[3]`
Main spans design:	Movable - Swing `[17]`
Deck type:	Concrete Cast-in-Place `[1]`

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	2,400 `[as of 2016]`
Truck traffic:	12% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Poor `[4 out of 9]`
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Water adequacy appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Roadway alignment appraisal:	Better than present minimum criteria `[7]`
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. `[6]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	29.8
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$802,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
January 2018	Poor	Satisfactory	Fair	Poor	2400	29.8
January 2017	Poor	Satisfactory	Fair	Poor	2400	29.8
January 2016	Poor	Satisfactory	Fair	Poor	2400	29.5
January 2015	Fair	Satisfactory	Fair	Fair	2400	45.5
September 2013	Fair	Satisfactory	Fair	Fair	1780	45.5
October 2012	Fair	Satisfactory	Satisfactory	Fair	1780	45.5
November 2010	Fair	Satisfactory	Satisfactory	Satisfactory	2100	44.5
December 2008	Fair	Satisfactory	Satisfactory	Satisfactory	2100	43.5
November 2007	Fair	Fair	Satisfactory	Satisfactory	2600	42.5
December 2006	Fair	Fair	Satisfactory	Satisfactory	2800	42.5
April 2005	Fair	Fair	Satisfactory	Fair	2700	41.5
March 2004	Fair	Fair	Satisfactory	Fair	3300	41.5
April 2002	Fair	Fair	Satisfactory	Fair	3000	41.5
July 2000	Fair	Fair	Satisfactory	Fair	2436	41.5
August 1998	Fair	Fair	Satisfactory	Fair	2094	41.5
September 1996	Fair	Satisfactory	Satisfactory	Satisfactory	2791	43.5
September 1994	Fair	Satisfactory	Satisfactory	Good	2644	45.5
May 1992	Fair	Satisfactory	Satisfactory	Good	2167	48.5

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	434	284	150	0	0
Steel Protective Coating	sq. ft.	5,282	0	0	5,282	0
Steel Stringer	linear ft.	405	205	200	0	0
Steel Protective Coating	sq. ft.	2,339	0	0	2,339	0
Deck
Reinforced Concrete Deck	sq. ft.	4,400	4,385	15	0	0
Superstructure
Steel Floor Beam	linear ft.	125	25	75	25	0
Steel Protective Coating	sq. ft.	2,231	0	0	2,231	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	1	1	0	0	0
Reinforced Concrete Abutment	linear ft.	70	0	0	70	0
Prestressed Concrete Pile	each	12	11	0	1	0
Reinforced Concrete Pier Cap	linear ft.	50	50	0	0	0
Joints
Pourable Joint	linear ft.	50	50	0	0	0
Open Joint	linear ft.	100	100	0	0	0
Bearings
Movable Bearing	each	24	0	0	24	0
Steel Protective Coating	sq. ft.	20	0	0	0	20
Other Bearing	each	1	0	1	0	0
Steel Protective Coating	sq. ft.	36	0	0	0	36
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	352	352	0	0	0